Using hymecromone to treat primary sclerosing cholangitis in adolescents and adults

A Study of Oral Hymecromone to Treat Adolescents and Adults With Primary Sclerosing Cholangitis(HAAPS Study).

Phase 2 Interventional Stanford University · NCT05295680

This study is testing if adding hymecromone to standard treatment can help adolescents and adults with primary sclerosing cholangitis feel better and improve their liver function.

Quick facts

PhasePhase 2
Study typeInterventional
Enrollment24 (estimated)
Ages14 Years to 75 Years
SexAll
SponsorStanford University Academic / other
Locations2 sites (Redwood City, California and 1 other locations)
Trial IDNCT05295680 on ClinicalTrials.gov

What this trial studies

This clinical trial evaluates the effectiveness of hymecromone combined with standard care for treating adolescents and adults diagnosed with primary sclerosing cholangitis (PSC). The primary objective is to compare the efficacy of this combination therapy against standard care alone. Secondary objectives include assessing changes in alkaline phosphatase levels and various biomarkers related to PSC over a six-month treatment period. Participants will be monitored for improvements in liver function and disease markers.

Who should consider this trial

Good fit: Ideal candidates are adolescents and adults diagnosed with primary sclerosing cholangitis confirmed by liver biopsy or imaging.

Not a fit: Patients currently receiving biologic therapies or with serious liver disease may not benefit from this study.

Why it matters

Potential benefit: If successful, this treatment could provide a new therapeutic option for managing primary sclerosing cholangitis, potentially improving patient outcomes.

How similar studies have performed: While there is limited data on hymecromone for PSC, similar studies exploring novel treatments for liver diseases have shown promise, indicating potential for success.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Diagnosis of primary sclerosing cholangitis confirmed by liver biopsy and/or imaging study
* If history of endoscopically confirmed inflammatory bowel disease, currently stable based on Mayo Score / Disease Activity Index (DAI) for Ulcerative Colitis Score ≤ 1, normal inflammatory markers (ESR, CRP and fecal calprotectin) and stable non-excluded medical therapy for at least 6 months

Exclusion Criteria:

* Currently receiving biologic therapies
* Known allergy to hymecromone
* Cholangiocarcinoma
* Pregnancy
* Serious liver disease

Where this trial is running

Redwood City, California and 1 other locations

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Primary Sclerosing Cholangitis
Last reviewed 2026-06-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.